3M DBI/SALA 3504480 Ultra-Lok Self Retracting Lifeline with 50 feet of Vectran synthetic rope and self locking swivel snap hook.  Ultra-Lok self retracting lifelines come with a durable glass-filled polyurethane housing and aluminum side plates for maximum durability and minimum weight.  Ultra-Lok systems have an anti-ratcheting twin disc brake system with an audio indicator to let you know it is functioning properly.

• Durable thermoplastic housing.
• High strength, synthetic lifeline, heat and abrasion resistant.
• Swiveling anchorage eye to prevent twisting of lifeline.
• Reserve lifeline retention to help maintain 900 lbs of force or less regardless of how much line is out when fall occurs.
• Self locking swivel snap hook with impact indicator.
• Meets or exceeds all applicable industry standards including OSHA, ANSI and the stringent ANSI Z359.
• Weight 15 lbs.